Update and align Maven coordinates

[paul-dingemans]

Description

Closes #1931

Checklist

Before submitting the PR, please check following (checks which are not relevant may be ignored):

• Commit message are well written. In addition to a short title, the commit message also explain why a change is made.
• At least one commit message contains a reference Closes #<xxx> or Fixes #<xxx> (replace<xxx> with issue number)
• Tests are added
• KtLint format has been applied on source code itself and violations are fixed
• CHANGELOG.md is updated
• PR description added

Documentation is updated. See difference between snapshot and release documentation

• Snapshot documentation in case documentation is to be released together with a code change
• Release documentation in case documentation is related to a released version of ktlint and has to be published as soon as the change is merged to master
• In case of adding a new rule, it needs to be added to experimental rules documentation

[Goooler]

In this change, do we need to update the version to 1.0.0-snapshot?

ktlint/gradle.properties

Line 1 in 0a25006

VERSION_NAME=0.50.1-SNAPSHOT

[PaulWoitaschek]

I think the coordinates are actually with a double colon:

I.e.
com.pinterest:ktlint -> com.pinterest.ktlint:ktlint-cli

[paul-dingemans]

Tnx. Fixed via #2264